(644) Cosima
Asteroid (644) Cosima |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2,599 AU |
eccentricity | 0.155 |
Perihelion - aphelion | 2.196 AU - 3.002 AU |
Inclination of the orbit plane | 1 ° |
Length of the ascending node | 110 ° |
Argument of the periapsis | 269.2 ° |
Time of passage of the perihelion | 4th June 2012 |
Sidereal period | 4 a 69 d |
Mean orbital velocity | 18.4 km / s |
Physical Properties | |
Medium diameter | (19.9 ± 1.5) km |
Albedo | 0.16 |
Rotation period | 15 h 8 min |
Absolute brightness | 11.1 mag |
Spectral class | S. |
history | |
Explorer | August Kopff |
Date of discovery | September 7, 1907 |
Another name | 1907 AA |
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. |
(644) Cosima is an asteroid of the main belt that was discovered on September 7, 1907 by the German astronomer August Kopff in Heidelberg .
The asteroid is named after Cosima Wagner , the wife of the composer Richard Wagner .